Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting
Which platforms have Perl on? Where are we going to find them?
The standard release of Perl (maintained by the Perl Development Group) is distributed only in the original code form. You can obtain it at http://www.perl.com/cpan/src/latest.tar.gz.
I. Data Types(Data type):
Perl has four data types: Scalar (variable), Scalar Array (Array), Hash Array (Hash), and References (pointer ), it seems to be rare, but it is more than enough to use it. Especially when writing Perl programs, you do not
one. DataType (data type ):Perl's data types are roughly four: Scalar (variables), Scalar Array (array), hash array (hash), References (pointer), but they seem to be small but more than sufficient. In particular, you can write a Perl program without
Enable Perl before compiling Vim;
Use the Perl interface ** Perl-using **: Perl **: Pe *: PE [RL]{cmd}Run the Perl Command{cmd}. The current package is "Main ". : PE [RL] {endpattern}{script}{endpattern}Execute the Perl
The concept of the Perl method in the Perl language do you know, here's a quick introduction to Perl's perl approach as a Perl subroutine, or a commonly called member function.
Perl method
A brief introduction of Perl method
The Perl method of
Reference
Common Perl Command Line options
Common unix Commands: perl implements sed awk tr nl
Perl, sed, awk, tr, grep, nl, and other common commandsSed
Task
Sed
Perl
Replace12WithTwelve
sed 's/12/twelve/g'
perl -pe '
Perl Arraysa Perl array is a list variable that stores scalar values, and variables can be of different types. array variables begin with @. Access array elements are read using the $ + variable name + [index value] format. 1. Creating an array1.
1. List and array. The list mentioned in this book is a data structure. array is the data type used to store the list in Perl. In most cases, these two words can be exchanged, meaning the same. Unlike C, the Perl array does not need to define the
What is Perl?
Perl is a free and open-source scripting language created by Larry Wall. This language is mainly intended for practical and rapid development,
Structured Programming is incompatible with the popular object-oriented programming.
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